Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-678 A Alden IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-07-02   
515-678 0 Alden IA KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-07-02   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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